We developed a new method to fabricate amphiphilic Janus nano-dumbbells. The resulting amphiphilic Janus nano-dumbbells assemble into unique cluster structures, with their hydrophobic sides facing each other. In addition, these nano-dumbbells adsorb strongly at interface and can stabilize emulsions similar to conventional amphiphilic polymers and colloids. More interestingly, the newly synthesized nano-dumbbells are responsive to external magnetic field, which offers a remote way to manipulate the location and diffusion of these Janus nano-dumbbells and their assembly structures. These unique structures and properties will open up new opportunities in magnetic, catalytic and biomedical applications.

Synthesis and self-assembly of Janus nano-dumbbells

256th National Meeting (2018)

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